Intangible Assets - Schedule of Estimated Amortization Expense (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 28, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of Fiscal 2015 $ 201.3
Fiscal 2016 375.4
Fiscal 2017 366.3
Fiscal 2018 355.8
Fiscal 2019 $ 344.1